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author | Lennart Poettering <lennart@poettering.net> | 2020-04-13 11:25:43 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2020-04-13 11:27:31 +0200 |
commit | 451fcbfc58d3ccb9855095666aa9ba4ae1327224 (patch) | |
tree | 21892bfc3632e3f87fc3aa944ccc55d621d8f4ae | |
parent | 609ae0f59619619efe6db07e34f73a237e7f332b (diff) | |
download | systemd-451fcbfc58d3ccb9855095666aa9ba4ae1327224.tar.gz |
fileio: extend comment a bit
-rw-r--r-- | src/basic/fileio.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/basic/fileio.c b/src/basic/fileio.c index 463a8596f5..34ee939526 100644 --- a/src/basic/fileio.c +++ b/src/basic/fileio.c @@ -1084,9 +1084,11 @@ int read_line_full(FILE *f, size_t limit, ReadLineFlags flags, char **ret) { count++; if (eol != EOL_NONE) { - /* If we are on a tty, we can't wait for more input. But we expect only - * \n as the single EOL marker, so there is no need to wait. We check - * this condition last to avoid isatty() check if not necessary. */ + /* If we are on a tty, we can't shouldn't wait for more input, because that + * generally means waiting for the user, interactively. In the case of a TTY + * we expect only \n as the single EOL marker, so we are in the lucky + * position that there is no need to wait. We check this condition last, to + * avoid isatty() check if not necessary. */ if ((flags & (READ_LINE_IS_A_TTY|READ_LINE_NOT_A_TTY)) == 0) { int fd; |